check sqlcipher version (fix #85)

2021-04-23 15:10:33 -07:00
parent 46cda89270
commit d0ec0886c0
1 changed files with 4 additions and 0 deletions
@@ -137,6 +137,10 @@ def get_key(imei, uin):
 def do_decrypt(input, output, key):
    conn = sqlite.connect(input)
    c = conn.cursor()
+    version_str = list(conn.execute("PRAGMA cipher_version"))[0][0]
+    version = tuple([int(x) for x in version_str.split(".")])
+    assert version >= (4, 1), "Sqlcipher>=4.1 is required"
+
    c.execute("PRAGMA key = '" + key + "';")
    # https://github.com/sqlcipher/sqlcipher/commit/e4b66d6cc8a2b7547a32ff2c3ac52f148eba3516
    c.execute("PRAGMA cipher_compatibility = 1;")